SOLUTION: y=2xsquared-8x. Find the y-intercepts and any x-intercepts.

Question 61131: y=2xsquared-8x. Find the y-intercepts and any x-intercepts.
Found 2 solutions by jai_kos, funmath:
Answer by jai_kos(139) (Show Source): You can put this solution on YOUR website!
Given y = 2x^2 � 8x (1)
To find the �y� intercepts, we substitute for x = 0 in equation (1), we get
y = 0
The y intercepts is y = 0.
To find the �x� intercepts, we substitute for y = 0 in equation (1), we get
2x^2 � 8x = 0
2x^2 = 8x
Divide the above equation by 2x, we get
x = 4

The �x� intercepts is x = 4.
Hence the y intercepts is 0 and the x intercepts is 4.

Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
y=2x^2-8x. Find the y-intercepts and any x-intercepts.
To find the y-intercept, let x=0 and solve for y.

The y-intercept is (0,0) This is where the graph would cross the y-axis.
:
To find the x intercepts, let y=0 and solve for x.
Factor the GCF, 2x out.
0=2x(x-4)
2x=0 and x-4=0
2x/2=0/2 and x-4+4=0+4
x=0 and x=4
The x-intercepts are (0,0) and (4,0)
Notice that the origin (0,0) is both an x-intercept and a y-intercept.
Here's what the graph looks like:

Happy Calculating!!!
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